.infrastructure_2604 .home_reason_item:nth-child(3n+2) {
    margin-top: 0px;
}

.infrastructure_2604 .home_reason_item:nth-child(3n) {
    margin-top: 0;
}

.infrastructure_2604 .home_reason_item {
    padding: 20px 20px;
}

.infrastructure_2604 .about_reason_box:nth-child(2) {
    margin-top: 0;
}


.infrastructure_2604 .about_reason_box:nth-child(3) {
    margin-top: 0;
}


.infrastructure_2604 .about_reason_box:nth-child(4) {
    margin-top: 0;
}

   .infrastructure_2604  .about_reason_box {
        width: 31%;
        padding: 10px 10px;
    }
.infrastructure_2604  .about_reason_box:nth-child(n+2) {
margin-top: 0;
}

@media (min-width: 1800px) {
    .sec_title_ja2.infrastructure_title  {
        font-size: 60px;
    }
}

@media (max-width: 768px) {
  .infrastructure_2604  .about_reason_box {
  width: 100%;
  }
}